Mark Berger (born May 14, 1943) is an American sound engineer. He has won four Academy Awards for Best Sound. He holds the Academy Award record for "perfect score" with 4 nominations and 4 wins. He is best known for his work on The Godfather Part II (1974), One Flew Over the Cuckoo's Nest (1975) and Apocalypse Now (1979). He has worked on more than 170 films since 1973.